package ch03sz;

public abstract class Operation {
    private double aa;
    private double bb;
    public abstract double getResult();
    public double getAa() {
        return aa;
    }

    public void setAa(double aa) {
        this.aa = aa;
    }
    public double getBb() {
        return bb;
    }
    public void setBb(double bb) {
        this.bb = bb;
    }
}
